const {appid,secret,accessToken,dbAccessToken} = require("./config.js");
const db = uniCloud.database();
module.exports = {
	_before:async function () { // 通用预处理器
		// this.accessToken = await accessToken();
		this.accessToken = await dbAccessToken();		
	},
	//获取有数量限制的小程序码
	async getwxacode({path="pages/index/index",width=430,auto_color=false,line_color={"r":0,"g":0,"b":0},is_hyaline=false,env_version="release"}={}){
		let {data} = await uniCloud.request({
			url:"https://api.weixin.qq.com/wxa/getwxacode?access_token="+this.accessToken,
			method:"POST",
			data:{
				path,
				width,
				auto_color,
				line_color,
				is_hyaline,
				env_version
			},
			responseType:"buffer"
		})
		return "data:image/png;base64,"+data.toString('base64')
	},
	
	
	//获取不限制数量的小程序码
	async getUnlimited({scene="0",page="pages/index/index",check_path=true,env_version="release",width=430,auto_color=false,line_color={"r":0,"g":0,"b":0},is_hyaline=false}={}){		
		let {data} = await uniCloud.request({
			url:"https://api.weixin.qq.com/wxa/getwxacodeunlimit?access_token="+this.accessToken,
			method:"POST",
			data:{
				scene,
				page,
				check_path,
				env_version,
				width,
				auto_color,
				line_color,
				is_hyaline
			},
			responseType:"buffer"
		})
		return "data:image/png;base64,"+data.toString('base64')
		
	},
	
	//获取有数量限制的二维码
	async createwxaqrcode({path="pages/index/index",width=430}={}){
		let {data} = await uniCloud.request({
			url:"https://api.weixin.qq.com/cgi-bin/wxaapp/createwxaqrcode?access_token="+this.accessToken,
			method:"POST",
			data:{
				path,
				width
			},
			responseType:"buffer"
		})
		return "data:image/png;base64,"+data.toString('base64')
	}
}
